There are three different ways to scan QR codes on your iPhone, each with its own advantages. Here's how to use them and why you might want to pick one over the others.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

QR codes existed long before smartphones, and your device can scan them right out of the box. Here’s how to use this helpful feature without third-party software.

QR codes aren't going away anytime soon. Here's how to make your own.